CVE-2020-26961
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I. Basic Information for CVE-2020-26961
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding attack. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 FireFox 存在安全漏洞，该漏洞源于使用基于HTTPS的DNS时，它会故意从响应中过滤RFC1918和相关的IP范围，因为这些来自DoH解析器是没有意义的。 但是，当通过IPv6映射IPv4地址时，这些地址被错误地允许通过，从而导致潜在的DNS重新绑定攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Firefox | < 83 | - | |
| Mozilla | Firefox ESR | < 78.5 | - | |
| Mozilla | Thunderbird | < 78.5 | - |
II. Public POCs for CVE-2020-26961
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.mozilla.org/security/advisories/mfsa2020-50/x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1672528x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-52/x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2020-51/x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-26961
Same Patch Batch · Mozilla · 2020-12-09 · 21 CVEs total
| CVE-2020-26960 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2020-26970 | Mozilla Thunderbird 缓冲区错误漏洞 | |
| CVE-2020-26969 | Mozilla Firefox ESR 缓冲区错误漏洞 | |
| CVE-2020-26968 | Mozilla Firefox ESR 缓冲区错误漏洞 | |
| CVE-2020-26967 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26966 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26965 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26964 | Mozilla Firefox for Android 安全漏洞 | |
| CVE-2020-26963 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26962 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26950 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2020-26959 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2020-26958 | Mozilla Firefox ESR 跨站脚本漏洞 | |
| CVE-2020-26957 | Mozilla Firefox for Android 安全漏洞 | |
| CVE-2020-26956 | 多款Mozilla产品跨站脚本漏洞 | |
| CVE-2020-26955 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26954 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-26953 | Mozilla Firefox 和 Mozilla Thunderbird 安全漏洞 | |
| CVE-2020-26952 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2020-26951 | Mozilla Firefox 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same product: Firefox
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
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